Metastatic pineal tumors treated by neuroendoscopic surgery--two case reports.
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Two patients presented with metastatic pineal tumors. A 69-year-old man had gait disturbance, dementia, and urinary incontinence but no history of previous malignancy. Magnetic resonance imaging of the brain revealed a 23-mm tumor in the pineal region and obstructive hydrocephalus. A 37-year-old man had been treated for thyroid cancer. He presented with vomiting and consciousness disturbance. Brain magnetic resonance imaging revealed a 28-mm pineal tumor associated with intratumoral hemorrhage and accompanying obstructive hydrocephalus. Both patients underwent neuroendoscopic biopsy and third ventriculostomy through the foramen of Monro, resulting in reliable histological diagnoses and subsidence of hydrocephalus. (+info)
Cerebrospinal fluid fistula after endoscopic transsphenoidal surgery: experience in a spanish center.
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Endoscopic transaqueductal placement of a single-catheter cyst-ventriculoperitoneal shunt in a neonate with Dandy-Walker malformation-associated hydrocephalus: case report.
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A neonate with hydrocephalus associated with Dandy-Walker malformation was successfully treated with an endoscopic placement of a transaqueductal ventricular single catheter. The modified catheter was provided with additional fenestration on its proximal side to allow simultaneous drainage from both the supra- and infratentorial compartments. This technique is well known for isolated fourth ventricles, but has not been applied to hydrocephalus associated with Dandy-Walker malformation. The cyst-ventriculoperitoneal shunt effectively drained both compartments. The patient was doing well 18 months after the surgical procedure. Endoscopic transaqueductal shunt placement can be considered, especially in patients with aqueductal patency. (+info)
A pitfall of neuroendoscopic intraventricular hematoma removal - delayed obstructive hydrocephalus caused by a small remnant clot - case report - .
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A 57-year-old female presented with a left putaminal hemorrhage, intraventricular hematoma (IVH), and acute obstructive hydrocephalus. Neuroendoscopic surgery was performed for the IVH. Three days after successful IVH removal and improvement of her consciousness, the patient lapsed into a comatose state due to hydrocephalus caused by obstruction of the mesencephalic aqueduct by a small remnant clot. The small clot was identified by constructive interference with steady state magnetic resonance imaging and was removed during a second-look operation. Even after the cerebrospinal fluid circulation improves following neuroendoscopic surgery for IVH, the patient may nevertheless develop a life-threatening condition without warning signs in the subacute phase. Awareness of this complication will lead to early diagnosis and correct management. (+info)
Neuroendoscopic surgery for unilateral hydrocephalus due to inflammatory obstruction of the Monro foramen.
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